The Sons of Liberty QAS90QRHLS Quick 90 Degree Ambi Safety Selector, a staple product by Sons of Liberty, serves as a perfect replacement safety selector for the AR-15 platform. It uniquely features their signature \"Q\" lever on its right side, and a standard short lever on its left. Installing this Quick safety selector is a breeze, and its tactile operation is so pleasing that it will inspire you to substitute all your current safeties. Sons of Liberty Gun Works employs stringent quality control measures, investing significant hours to ensure that you receive nothing less than excellence. Hence, every time you purchase their product, you are guaranteed superior quality.